#include<stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <iostream>

/*
判断字符中心对称, 如xyx,xyyx等
*/

#define MAXSIZE 100 
typedef int ElemType;

typedef struct StackNode
{
    ElemType data;
    struct StackNode *next;
}*LinkStack;